Midea LRSJF-V120

(Pump 3)
5
Power supply cable for motorized 2-way
valve, SV3
3
1.0 mm
2
6
Power supply cable for motorized 2-way
-valve, SV2
3
1.0 mm
2
7
Power supply cable for motorized 2-way
valve, SV1
3
1.0 mm
2
8
Power supply cable for auxiliary pump
(Pump2)
2+GND
1.0 mm
2
9
Communication cable between indoor unit
and boiler
2
1.0 mm
2
10
Room thermostat cable
4(L, N, C, H)
1.0 mm
2
11
Communication cable between indoor unit
and outdoor unit
3 (P, Q, E)
3×0.5 mm
2
(3 -Shield wire)
12
Power supply cable for outdoor unit
2+GND
4.0 mm
2
13
Power supply cable for solar pump station
2+GND
1.0 mm
2
14
Power supply cable for the pump of solar
kit
2+GND
1.0 mm
2
15
Signal input from solar pump station to
indoor unit
2
1.0 mm
2
16
Power supply cable for the pump of solar
kit
2+GND
1.0 mm
2
17
Sanitary hot water tank temperature
sensor cable
2
—
18
Sanitary hot water tank temperature
sensor cable
2
—
19
Water circuit temperature senor T1B cable
2
—
 Connection of the indoor unit power supply and communication cable Power circuit
and cable requirements
● Power supply for the indoor units is to be provided through the indoor side. Data
communication with the outdoor unit is provided through the cable which labeled as P, Q, E.
● For all guidelines and specifications regarding field wiring between the indoor unit and the
outdoor unit, please refer to the outdoor unit installation manual.
● Using the appropriate cable, connect the power circuit to the appropriate terminals as shown
on the wiring diagram and the illustration below.
● Connect the earth conductor (yellow/green) to the earthing screw on the control box mounting
plate.
● Fix the cable with cable ties to the cable tie mountings to ensure strain relief.
● When routing out cables, make sure that these do not obstruct mounting of the indoor unit
cover.
 Connection of the auxiliary heater power supply Power circuit and cable requirements
 This power circuit must be protected with the required safety devices according to local and
national regulations. Select the power cable in accordance with relevant local and national
regulations.
 Using the appropriate cable, connect the power circuit to the appropriate terminals as shown
on the wiring diagram.